APA-referens (7:e uppl.)

Parfan, N. (2014). Siquijor. University of the Philippine Press.

Chicago-referens (17:e uppl.)

Parfan, Ned. Siquijor. Quezon City: University of the Philippine Press, 2014.

MLA-referens (9:e uppl.)

Parfan, Ned. Siquijor. University of the Philippine Press, 2014.